<table border="1">
    <tr>
        <!-- colspan  跨列   -->
        <th colspan="3">学生成绩单</th>
    </tr>
    <tr>
        <!-- rowspan 跨行 -->
        <td rowspan="3">张三</td>
        <td>语文</td>
        <td>100</td>
    </tr>
    <tr>
        <td>外语</td>
        <td>98</td>
    </tr>
    <tr>
        <td>数学</td>
        <td>78</td>
    </tr>
</table>